<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>表格隔行变色</title>
    <style>
        div, span, p {
            width: 140px;
            height: 140px;
            margin: 5px;
            background: #aaa;
            border: #000 1px solid;
            float: left;
            font-size: 17px;
            font-family: Verdana;
        }

        div. mini {
            width: 55px;
            height: 55px;
            background-color: #aaa;
            font-size: 12px;
        }

        div. hide {
            display: none;
        }

        #data {
            width: 600px;
        }

        #data, td, th {
            border-collapse: collapse;
            border: 1px solid #aaa;
        }

        th, td {
            height: 28px;
        }

        #data thead {
            background-color: #333399;
            color: #ffffff;
        }

        .odd {
            background-color: #ccccff;
        }
    </style>
</head>
<body>
<table id="data">
    <thead>
    <tr>
        <th>姓名</th>
        <th>工资</th>
        <th>入职时间</th>
        <th>操作</th>
    </tr>
    </thead>
    <tbody>
    <tr>
        <td>Tom</td>
        <td>$3500</td>
        <td>2010-10-25</td>
        <td><a href="javascript:void(0)">删除</a></td>
    </tr>
    <tr>
        <td>Mary</td>
        <td>$3400</td>
        <td>2010-12-01</td>
        <td><a href="javascript:void(0)">删除</a></td>
    </tr>
    <tr>
        <td>King</td>
        <td>$5900</td>
        <td>2009-08-17</td>
        <td><a href="javascript:void(0)">删除</a></td>
    </tr>
    <tr>
        <td>Scott</td>
        <td>$3800</td>
        <td>2012-11-17</td>
        <td><a href="javascript:void(0)">删除</a></td>
    </tr>
    <tr>
        <td>Smith</td>
        <td>$3100</td>
        <td>2014-01-27</td>
        <td><a href="javascript:void(0)）">删除</a></td>
    </tr>
    <tr>
        <td>Allen</td>
        <td>$3700</td>
        <td>2011-12-05</td>
        <td><a href="javascript:void(0)">删除</a></td>
    </tr>
    </tbody>
</table>

<script type="text/javascript" src="js/jquery-3.6.0.js"></script>
<script type="text/javascript">
    // $('#data tbody > tr:odd').css('backgroundColor', '#ccf');
    // $('#data tbody > tr:odd').addClass('odd');
    $('#data tbody > tr:odd').attr('class', 'odd');
</script>
</body>
</html>